[libcamera-devel] [PATCH 3/7] libcamera: v4l2_device: Rename parameters to s/g_fmt

Laurent Pinchart laurent.pinchart at ideasonboard.com
Fri Feb 1 23:32:43 CET 2019


Hi Jacopo,

Thank you for the patch.

On Fri, Feb 01, 2019 at 04:42:44PM +0100, Jacopo Mondi wrote:
> Rename parameters to get and set format functions to expand 'fmt' to
> 'format'.
> 
> Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>

Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>

> ---
>  src/libcamera/include/v4l2_device.h | 12 ++--
>  src/libcamera/v4l2_device.cpp       | 96 ++++++++++++++---------------
>  2 files changed, 54 insertions(+), 54 deletions(-)
> 
> diff --git a/src/libcamera/include/v4l2_device.h b/src/libcamera/include/v4l2_device.h
> index 70e3c00..e65a540 100644
> --- a/src/libcamera/include/v4l2_device.h
> +++ b/src/libcamera/include/v4l2_device.h
> @@ -86,15 +86,15 @@ public:
>  	const char *deviceName() const { return caps_.card(); }
>  	const char *busName() const { return caps_.bus_info(); }
>  
> -	int getFormat(V4L2DeviceFormat *fmt);
> -	int setFormat(V4L2DeviceFormat *fmt);
> +	int getFormat(V4L2DeviceFormat *format);
> +	int setFormat(V4L2DeviceFormat *format);
>  
>  private:
> -	int getFormatSingleplane(V4L2DeviceFormat *fmt);
> -	int setFormatSingleplane(V4L2DeviceFormat *fmt);
> +	int getFormatSingleplane(V4L2DeviceFormat *format);
> +	int setFormatSingleplane(V4L2DeviceFormat *format);
>  
> -	int getFormatMultiplane(V4L2DeviceFormat *fmt);
> -	int setFormatMultiplane(V4L2DeviceFormat *fmt);
> +	int getFormatMultiplane(V4L2DeviceFormat *format);
> +	int setFormatMultiplane(V4L2DeviceFormat *format);
>  
>  	std::string deviceNode_;
>  	int fd_;
> diff --git a/src/libcamera/v4l2_device.cpp b/src/libcamera/v4l2_device.cpp
> index 5ba89b9..8cf566c 100644
> --- a/src/libcamera/v4l2_device.cpp
> +++ b/src/libcamera/v4l2_device.cpp
> @@ -282,58 +282,58 @@ void V4L2Device::close()
>   * \brief Retrieve the image format set on the V4L2 device
>   * \return 0 for success, a negative error code otherwise
>   */
> -int V4L2Device::getFormat(V4L2DeviceFormat *fmt)
> +int V4L2Device::getFormat(V4L2DeviceFormat *format)
>  {
> -	return caps_.isMultiplanar() ? getFormatMultiplane(fmt) :
> -				       getFormatSingleplane(fmt);
> +	return caps_.isMultiplanar() ? getFormatMultiplane(format) :
> +				       getFormatSingleplane(format);
>  }
>  
>  /**
>   * \brief Configure an image format on the V4L2 device
>   * \return 0 for success, a negative error code otherwise
>   */
> -int V4L2Device::setFormat(V4L2DeviceFormat *fmt)
> +int V4L2Device::setFormat(V4L2DeviceFormat *format)
>  {
> -	return caps_.isMultiplanar() ? setFormatMultiplane(fmt) :
> -				       setFormatSingleplane(fmt);
> +	return caps_.isMultiplanar() ? setFormatMultiplane(format) :
> +				       setFormatSingleplane(format);
>  }
>  
> -int V4L2Device::getFormatSingleplane(V4L2DeviceFormat *fmt)
> +int V4L2Device::getFormatSingleplane(V4L2DeviceFormat *format)
>  {
> -	struct v4l2_format v4l2Fmt;
> -	struct v4l2_pix_format *pix = &v4l2Fmt.fmt.pix;
> +	struct v4l2_format v4l2Format;
> +	struct v4l2_pix_format *pix = &v4l2Format.fmt.pix;
>  	int ret;
>  
> -	v4l2Fmt.type = bufferType_;
> -	ret = ioctl(fd_, VIDIOC_G_FMT, &v4l2Fmt);
> +	v4l2Format.type = bufferType_;
> +	ret = ioctl(fd_, VIDIOC_G_FMT, &v4l2Format);
>  	if (ret) {
>  		ret = -errno;
>  		LOG(Error) << "Unable to get format: " << strerror(-ret);
>  		return ret;
>  	}
>  
> -	fmt->width = pix->width;
> -	fmt->height = pix->height;
> -	fmt->fourcc = pix->pixelformat;
> -	fmt->planes = 1;
> -	fmt->planesFmt[0].bpl = pix->bytesperline;
> -	fmt->planesFmt[0].size = pix->sizeimage;
> +	format->width = pix->width;
> +	format->height = pix->height;
> +	format->fourcc = pix->pixelformat;
> +	format->planes = 1;
> +	format->planesFmt[0].bpl = pix->bytesperline;
> +	format->planesFmt[0].size = pix->sizeimage;
>  
>  	return 0;
>  }
>  
> -int V4L2Device::setFormatSingleplane(V4L2DeviceFormat *fmt)
> +int V4L2Device::setFormatSingleplane(V4L2DeviceFormat *format)
>  {
> -	struct v4l2_format v4l2Fmt;
> -	struct v4l2_pix_format *pix = &v4l2Fmt.fmt.pix;
> +	struct v4l2_format v4l2Format;
> +	struct v4l2_pix_format *pix = &v4l2Format.fmt.pix;
>  	int ret;
>  
> -	v4l2Fmt.type = bufferType_;
> -	pix->width = fmt->width;
> -	pix->height = fmt->height;
> -	pix->pixelformat = fmt->fourcc;
> +	v4l2Format.type = bufferType_;
> +	pix->width = format->width;
> +	pix->height = format->height;
> +	pix->pixelformat = format->fourcc;
>  
> -	ret = ioctl(fd_, VIDIOC_S_FMT, &v4l2Fmt);
> +	ret = ioctl(fd_, VIDIOC_S_FMT, &v4l2Format);
>  	if (ret) {
>  		ret = -errno;
>  		LOG(Error) << "Unable to set format: " << strerror(-ret);
> @@ -343,51 +343,51 @@ int V4L2Device::setFormatSingleplane(V4L2DeviceFormat *fmt)
>  	return 0;
>  }
>  
> -int V4L2Device::getFormatMultiplane(V4L2DeviceFormat *fmt)
> +int V4L2Device::getFormatMultiplane(V4L2DeviceFormat *format)
>  {
> -	struct v4l2_format v4l2Fmt;
> -	struct v4l2_pix_format_mplane *pix = &v4l2Fmt.fmt.pix_mp;
> +	struct v4l2_format v4l2Format;
> +	struct v4l2_pix_format_mplane *pix = &v4l2Format.fmt.pix_mp;
>  	int ret;
>  
> -	v4l2Fmt.type = bufferType_;
> -	ret = ioctl(fd_, VIDIOC_G_FMT, &v4l2Fmt);
> +	v4l2Format.type = bufferType_;
> +	ret = ioctl(fd_, VIDIOC_G_FMT, &v4l2Format);
>  	if (ret) {
>  		ret = -errno;
>  		LOG(Error) << "Unable to get format: " << strerror(-ret);
>  		return ret;
>  	}
>  
> -	fmt->width = pix->width;
> -	fmt->height = pix->height;
> -	fmt->fourcc = pix->pixelformat;
> -	fmt->planes = pix->num_planes;
> +	format->width = pix->width;
> +	format->height = pix->height;
> +	format->fourcc = pix->pixelformat;
> +	format->planes = pix->num_planes;
>  
> -	for (unsigned int i = 0; i < fmt->planes; ++i) {
> -		fmt->planesFmt[i].bpl = pix->plane_fmt[i].bytesperline;
> -		fmt->planesFmt[i].size = pix->plane_fmt[i].sizeimage;
> +	for (unsigned int i = 0; i < format->planes; ++i) {
> +		format->planesFmt[i].bpl = pix->plane_fmt[i].bytesperline;
> +		format->planesFmt[i].size = pix->plane_fmt[i].sizeimage;
>  	}
>  
>  	return 0;
>  }
>  
> -int V4L2Device::setFormatMultiplane(V4L2DeviceFormat *fmt)
> +int V4L2Device::setFormatMultiplane(V4L2DeviceFormat *format)
>  {
> -	struct v4l2_format v4l2Fmt;
> -	struct v4l2_pix_format_mplane *pix = &v4l2Fmt.fmt.pix_mp;
> +	struct v4l2_format v4l2Format;
> +	struct v4l2_pix_format_mplane *pix = &v4l2Format.fmt.pix_mp;
>  	int ret;
>  
> -	v4l2Fmt.type = bufferType_;
> -	pix->width = fmt->width;
> -	pix->height = fmt->height;
> -	pix->pixelformat = fmt->fourcc;
> -	pix->num_planes = fmt->planes;
> +	v4l2Format.type = bufferType_;
> +	pix->width = format->width;
> +	pix->height = format->height;
> +	pix->pixelformat = format->fourcc;
> +	pix->num_planes = format->planes;
>  
>  	for (unsigned int i = 0; i < pix->num_planes; ++i) {
> -		pix->plane_fmt[i].bytesperline = fmt->planesFmt[i].bpl;
> -		pix->plane_fmt[i].sizeimage = fmt->planesFmt[i].size;
> +		pix->plane_fmt[i].bytesperline = format->planesFmt[i].bpl;
> +		pix->plane_fmt[i].sizeimage = format->planesFmt[i].size;
>  	}
>  
> -	ret = ioctl(fd_, VIDIOC_S_FMT, &v4l2Fmt);
> +	ret = ioctl(fd_, VIDIOC_S_FMT, &v4l2Format);
>  	if (ret) {
>  		ret = -errno;
>  		LOG(Error) << "Unable to set format: " << strerror(-ret);

-- 
Regards,

Laurent Pinchart


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